Table 2.

System parameters in the proposed scheme.

Item	Value
System parameters of the four-wing hyperchaotic system	a= 8, b = −1, c = −40, d = 1, e = 2, m = 1, n = −2, n = −14
System parameters of the Lorenz chaotic system	A = 10, β = 8/3, γ = 28
System parameters of the 2D-RT	A = 1, b = 3, c = 5, d = 16, rm = 4, rn = 7, t = 5
Abandoned numbers of the sequence	l0 = 1000, l1 = 1000, l2 = 1000